Home / 9,138,605.60-13,707,908.40-3,459,015.20

Finding the Fourth Proportional to 9,138,605.60, 13,707,908.40 and 3,459,015.20

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Solution

The fourth proportional to 9,138,605.60, 13,707,908.40 and 3,459,015.20 is: 5,188,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,605.60 : 13,707,908.40 = 3,459,015.20 : x
  2. Step 2: Convert to fraction form
    9,138,605.60/13,707,908.40 = 3,459,015.20/x
  3. Step 3: Cross multiply
    9,138,605.60x = 13,707,908.40 × 3,459,015.20
  4. Step 4: Simplify right side
    9,138,605.60x = 47,415,863,515,807.69
  5. Step 5: Solve for x
    x = 47,415,863,515,807.69/9,138,605.60
  6. Step 6: Final answer
    x = 5,188,522.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.